EXL130 is D'Addario's lightest gauge string set. Great for beginners or players who require strings with the lightest possible tension and greatest ease of play. XL Nickel Wound, D'Addario's most popular electric guitar strings, are precision wound with nickelplated steel onto a carefully drawn, hexagonally shaped, high carbon steel core. The result, strings with long lasting, distinctive bright tone and excellent intonation, is ideal for the widest variety of guitars and musical styles.